# Math Help - Improper Integral

1. ## Improper Integral

Hi,

$\int_{-1}^8 \frac{1}{x^{2/3}} \, dx$

How is this even possible since the integrand isn't even defined for values less than 0?...

2. ## Re: Improper Integral

Originally Posted by sjmiller
$\int_{-1}^8 \frac{1}{x^{2/3}} \, dx$
How is this even possible since the integrand isn't even defined for values less than 0?
Why would you say that?
For all $x\ne 0$ we have $\frac{1}{x^{2/3}}>0$.